- Create LoginPromptModal component for authentication encouragement
- Check customer authentication before adding items to cart
- Show modal for non-logged-in users with options to create account, log in, or continue as guest
- Allow guests to add items (stored in IndexedDB) while prompting to sign up
- Implemented in both StandardProductView (ready-made products) and DesignCanvas (personalized items)
- Add server action checkCustomerAuth() for authentication checks
Addresses user request: prompt guests to create account or log in when adding items to cart.
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
